-//===-- llvm/CodeGen/X86COFFMachineModuleInfo.cpp -------------------------===//
+//===-- X86COFFMachineModuleInfo.cpp - X86 COFF MMI Impl ------------------===//
//
// The LLVM Compiler Infrastructure
//
//===----------------------------------------------------------------------===//
#include "X86COFFMachineModuleInfo.h"
-#include "X86MachineFunctionInfo.h"
-#include "llvm/DerivedTypes.h"
-#include "llvm/Function.h"
-#include "llvm/MC/MCContext.h"
-#include "llvm/MC/MCSymbol.h"
-#include "llvm/Target/TargetData.h"
-#include "llvm/ADT/SmallString.h"
-#include "llvm/Support/raw_ostream.h"
using namespace llvm;
X86COFFMachineModuleInfo::~X86COFFMachineModuleInfo() {
}
-
-/// DecorateCygMingName - Query FunctionInfoMap and use this information for
-/// various name decorations for Cygwin and MingW.
-MCSymbol *X86COFFMachineModuleInfo::DecorateCygMingName(MCSymbol *NameSym,
- MCContext &Ctx,
- const Function *F,
- const TargetData &TD) {
- // We don't want to decorate non-stdcall or non-fastcall functions right now
- CallingConv::ID CC = F->getCallingConv();
- if (CC != CallingConv::X86_StdCall && CC != CallingConv::X86_FastCall)
- return NameSym;
-
- unsigned ArgWords = 0;
-
- // Calculate arguments sizes
- for (Function::const_arg_iterator AI = F->arg_begin(), AE = F->arg_end();
- AI != AE; ++AI) {
- const Type *Ty = AI->getType();
-
- // 'Dereference' type in case of byval parameter attribute
- if (AI->hasByValAttr())
- Ty = cast<PointerType>(Ty)->getElementType();
-
- // Size should be aligned to DWORD boundary
- ArgWords += ((TD.getTypeAllocSize(Ty) + 3)/4)*4;
- }
-
- const FunctionType *FT = F->getFunctionType();
-
- SmallString<128> Name(NameSym->getName().begin(), NameSym->getName().end());
-
- // "Pure" variadic functions do not receive @0 suffix.
- if (!FT->isVarArg() || FT->getNumParams() == 0 ||
- (FT->getNumParams() == 1 && F->hasStructRetAttr()))
- raw_svector_ostream(Name) << '@' << ArgWords;
-
- if (CC == CallingConv::X86_FastCall) {
- if (Name[0] == '_')
- Name[0] = '@';
- else
- Name.insert(Name.begin(), '@');
- }
-
- return Ctx.GetOrCreateSymbol(Name.str());
-}